A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

Imagine the polar vortex as a giant, icy whirlpool far above the Earth, keeping frigid Arctic air contained near the north ...

The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...

A series of disturbances in the atmosphere is sending the polar vortex south (again) next week with a burst of even colder ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it and how does it impact our weather? The polar vortex is ...

This blast of cold weather is due to activity of the polar vortex.

After highs Tuesday and Wednesday of 19 and Thursday of 30, Friday’s forecast for the Baltimore area calls for a mostly sunny ...

NEW ORLEANS -- The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar ...

The polar vortex is always around. It is a channel of strong winds high up in the atmosphere that circles the poles. One over ...